199845440

素因数分解:

$2^6\times 5^1\times {\mathrm{624517}}^1$

素因数の和:624534

約数の個数: 28

約数和(自身を含む): 475882716

約数和(自身を除く): 276037276

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 624517, 1249034, 2498068, 3122585, 4996136, 6245170, 9992272, 12490340, 19984544, 24980680, 39969088, 49961360, 99922720, 199845440]

約数ペア:

[(1, 199845440), (2, 99922720), (4, 49961360), (5, 39969088), (8, 24980680), (10, 19984544), (16, 12490340), (20, 9992272), (32, 6245170), (40, 4996136), (64, 3122585), (80, 2498068), (160, 1249034), (320, 624517)]